- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/453 - Labyrinth packings characterised by the use of particular materials
Patent holdings for IPC class F16J 15/453
Total number of patents in this class: 58
10-year publication summary
|
9
|
2
|
4
|
5
|
1
|
6
|
3
|
3
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9204 |
6 |
| Aktiebolaget SKF | 3156 |
4 |
| NTN Corporation | 4925 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
3 |
| Siemens AG | 23956 |
2 |
| Schaeffler Technologies AG & Co. KG | 11182 |
2 |
| Dresser-Rand Company | 203 |
2 |
| Goodrich Corporation | 2181 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4137 |
2 |
| Safran Aircraft Engines | 6767 |
2 |
| Dalton Corporation | 12 |
2 |
| Rtx Corporation | 10182 |
2 |
| General Electric Company | 13982 |
1 |
| The Boeing Company | 20193 |
1 |
| United Technologies Corporation | 2215 |
1 |
| Mitsubishi Electric Corporation | 48351 |
1 |
| AB SKF | 126 |
1 |
| Beijing Yurunhua Science and Technology Co., Ltd. | 2 |
1 |
| Bombardier Transportation GmbH | 559 |
1 |
| Bruss Sealing Systems GmbH | 21 |
1 |
| Other owners | 18 |